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1 results

  • Possible effects on Earth's climate due to reduced atmospheric ionization by GCR during Forbush Decreases

  • Williamary Portugal, Ezequiel Echer, Mariza Pereira de Souza Echer, Alessandra Abe Pacini
  • Journal:
    Proceedings of the International Astronomical Union / Volume 12 / Issue S328 / October 2016
    Published online by Cambridge University Press:
    12 September 2017, pp. 298-300
    Print publication:
    October 2016
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  • This work presents the first results of a study about possible effects on the surface temperature during short periods of lower fluxes of Galactic Cosmic Rays at Earth, called Forbush Decreases. There is a hypothesis that the Galactic Cosmic Ray flux decreases cause changes on the physical-chemical properties of the atmosphere. We have conducted a study to investigate these possible effects on several latitudinal regions, around the ten strongest FDs occurred from 1987 to 2015. We have found a possible increase on the surface temperature at middle and high latitudes during the occurence of these events.